Belkin N1 ADSL Router...

Wow haven't written on this forum for a long long time. Hey guys! :rotfl:

So here's my problem,

I've installed the router and all is working well, except I need to boost the signal so that I can get more coverage. It is installed in my dad's hotel, I positioned it outside the building pointing it at 12 guest rooms. Problem is as this is only a home equipment I can't get a stable enough signal in the far corners of the rooms.

I want to know if there anyhow I can increase the signal? Hope all that makes sense.